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13970 (1991 RH27)
Classification: Main-belt Asteroid          SPK-ID: 2013970
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873346288655972 6.1832e-08  
a 2.24497503393429 1.3386e-08 AU
q 1.824413469139678 1.453e-07 AU
i 4.845310049982873 5.7369e-06 deg
node 149.503300878174 6.632e-05 deg
peri 167.8166349860994 6.8003e-05 deg
M 3.206032154710888 1.6246e-05 deg
tp 2456989.558393968226
(2014-Nov-28.05839397)
5.5409e-05 JED
period 1228.614680501856
3.36
1.0989e-05
3.009e-08
d
yr
n .2930129402759127 2.6207e-09 deg/d
Q 2.665536598728901 1.5894e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      8354 days (22.87 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53884  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:23:26  

Additional Information
 Earth MOID = .812333 AU 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO302152  

13970 (1991 RH27)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RH27 = 1991 TA6 = 1997 GA39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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